Home / 13,924.42-19,215.46-7,874.57

Finding the Fourth Proportional to 13,924.42, 19,215.46 and 7,874.57

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Solution

The fourth proportional to 13,924.42, 19,215.46 and 7,874.57 is: 10,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.42 : 19,215.46 = 7,874.57 : x
  2. Step 2: Convert to fraction form
    13,924.42/19,215.46 = 7,874.57/x
  3. Step 3: Cross multiply
    13,924.42x = 19,215.46 × 7,874.57
  4. Step 4: Simplify right side
    13,924.42x = 151,313,484.85
  5. Step 5: Solve for x
    x = 151,313,484.85/13,924.42
  6. Step 6: Final answer
    x = 10,866.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.